na.ta.tionn.(名词)The act or skill of swimming.游泳的活动或技术来源:Latin nat3tiô nat3tiôn- 拉丁语 nat3tiô nat3tiôn- from nat3tus [past participle of] nat3re [to swim] * see sn3- 源自 nat3tus [] nat3re的过去分词 [游泳] *参见 sn3-